Bitmain Antminer S21 XP
- Hashrate
- 270 TH/s
- Power
- 3,645 W
- Efficiency
- 13.5 J/TH
- Noise
- 76 dB
Industrial Industrial (air) Rack / shelf Unknown
The base A15 model, launched in May 2024 as the A1566 and later sold as the A15. Canaan's bins run from 185 to 207 TH/s at roughly 17.8–18.8 J/TH and up to 75 dB. Canaan no longer sells it directly; a reseller still takes futures orders.
Best price $980
$4.90 per TH · New · Pre-order at Apexto
| Store | Trustpilot | Condition | Availability | Listed price | In your currency | Per TH | Checked | Link |
|---|---|---|---|---|---|---|---|---|
| Apexto 200 TH/s unit Listed as "Futures" (waitlist); spec table gives 200/203 TH/s at 3,760 W, 18.8 J/TH. Apexto says all prices are in US dollars and should be confirmed with sales before payment. | TrustScore 4.5 out of 5, 167 reviews | New | Pre-order | $980 | $980 | $4.90 | 4 Nov 2026 | Visit |
Prices as listed on each store's page on the date shown, without shipping. Prices marked excl. tax leave out VAT or sales tax, and others may too. Per TH uses the hashrate of the unit each store sells. Converted at ECB rates of 11 Nov 2026. Trustpilot scores are for the store, not the device. Each store's name opens its page, with everything it sells and its reviews.
The maker gives no hashrate for this mode, so we can't work out its mining income.
*What a pool would pay on average at today's difficulty, block reward and bitcoin price, before pool fees. Solo miners usually earn nothing, and very rarely a whole block. A plain electric heater turns the same electricity into the same heat, so the mining income is what makes the difference.
Payback is how long the bitcoin a device earns takes to add up to its price. It leaves out electricity, which buys the heat: compare earnings per kWh with your electricity price to see whether mining alone covers it. It uses the average of the last 3 months, to 12 Nov 2026: bitcoin at $79,558, 969 EH/s on the network and 3.15 BTC a block, less a 2% pool fee, for the hours you set. It cuts the block subsidy in half at each halving, the next around Apr 2028, and otherwise assumes those carry on unchanged, which they won't. Income at today's difficulty and price is about 17% below that average. Hashrate usually rises, though miners that stop paying after a halving may switch off, which leaves more for the rest. How we work it out.
| Brand | Canaan |
|---|---|
| Model | Avalon A15 (A1566) |
| SKU | — |
| Type | Industrial (air) · Industrial |
| Form factor | Rack / shelf |
| Cooling | Air |
| Production status | Unknown * |
| Launch date | May 2024 |
| Hashrate | 194 TH/s |
| Power consumption (stock) | 3,647 W |
| Mining efficiency | 18.8 J/TH |
| ASIC chip | Canaan A3197S × 480 (named by the device's maker) |
| Heat output | 12,444 BTU/h |
| Input voltage | 200–300 V AC |
| Frequency | — |
| Net dimensions (W × D × H) | 192 × 301 × 292 mm (7.6 × 11.9 × 11.5 in) |
| Net weight | 14.9 kg (32.8 lb) |
| Noise | 75 dB |
| Operating temperature | -5–35 °C (23–95 °F) |
| Area heated | About 24–73 m² (our estimate) |
| Colours | — |
| Company based in | Singapore |
| Made in | — |
* Not confirmed by the maker's own documents yet.
| Version | Hashrate | Power | Efficiency |
|---|---|---|---|
| 185 TH bin (A1566-185T) | 185 TH/s | 3,420 W | 18.5 J/TH |
| 194 TH bin | 194 TH/s | 3,647 W | 18.8 J/TH |
| 200 TH bin (A15-200T) | 200 TH/s | 3,760 W | 18.8 J/TH |
| 207 TH bin (A1566-207T) | 207 TH/s | 3,710 W | 17.8 J/TH |
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Not yet confirmed from the maker's own documents: SKU; production status; frequency; where it's made; colours; heat modes.
Spotted a mistake? Let us know.